Conversion of some 2(3H)-furanones bearing a pyrazolyl group into other heterocyclic systems with a study of their antiviral activity
作者:Ahmed I. Hashem、Ahmed S.A. Youssef、Kamal A. Kandeel、Wael S.I. Abou-Elmagd
DOI:10.1016/j.ejmech.2006.12.032
日期:2007.7
3-diphenylpyrazol-4-yl-methylene)-5-aryl-2(3H)-furanones 2 were prepared and converted into a variety of heterocyclic systems of synthetic and biological importance. Benzylamine reacted with the furanones 2; the product was found to depend on the reaction conditions. Thus, at room temperature the open-chain N-benzylamides 3 were obtained, whereas under refluxing conditions the 2(3H)-pyrrolones were obtained. Hydrazine
制备3-(1,3-二苯基吡唑-4-基-亚甲基)-5-芳基-2(3H)-呋喃酮2,并将其转化为具有合成和生物学重要性的各种杂环系统。苄胺与呋喃酮2反应; 发现产物取决于反应条件。因此,在室温下获得了开链N-苄基酰胺3,而在回流条件下获得了2(3H)-吡咯烷酮。水合肼影响呋喃酮的开环,得到相应的酰肼5。后一产物用作合成哒嗪酮7和8、1,3,4-恶二唑11和13和1,2,4的关键原料。 -三唑12和14均带有吡唑基部分作为侧链。使用两种病毒:HAV和HSV-1评估所选化合物实例的抗病毒活性。